Wrench
United States Patent 2603976
US Patent References:
/0336588.html
- - 0336588

/0858894.html
- - 0858894

/1326391.html
- - 1326391

Ratchet wrench
- - 1415731

Mechanical movement
- - 1417503


Inventors:
Hilton, Albert H.
Publication Date:
07/22/1952
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Assignee:
Hilton, Albert H.
Primary Class:
74/142
Other Classes:
74/157, 81/57.290, 81/54, 74/126, 192/43.100, 81/58.100, 81/57.460
International Classes:
B25B13/46; B25B17/00; B25B13/00
US Patent References:
1443593Lifting jack
1450440Ratchet device for augers
1540749Screw-driving device